<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
        div{
            width: 750px;
            margin: auto;
        }
        a:hover{
            background-image: url(./images/bgc.png);
        }
        a{
            display: inline-block;
            text-align: center;
            background-image: url(./images/bg.png);
            background-size: 100% 100%;
            width: 90px;
            height: 35px;
            text-decoration: none;
            color: white;
            text-align: center;
            line-height: 35px;
        }
        #d1{
            margin: auto;
        }
    
    </style>
</head>
<body>
    
    <div>
        <a href="#">网站导航</a>
        <a href="#">网站导航</a>
        <a href="#">网站导航</a>
        <a href="#">网站导航</a>
        <a href="#">网站导航</a>
        <a href="#">网站导航</a>
    </div>    
    
</body>
</html>